🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.69 AU

Year: 211 Days

Day: 43.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.23 AU - 1.61 AU

Year: 767 Days

Day: 45.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,123,189 km

• M1: 34,856 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.77 AU - 2.29 AU

Year: 1310 Days

Day: 41.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 9.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.87 AU - 6.33 AU

Year: 6004 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,123,189 km

• M1: 117,285 km (0.106 R)
• M2: 1,072,617 km (0.088 R)
• M3: 2,164,831 km (0.12 R)
• M4: 2,614,821 km (0.093 R)
• M5: 3,096,227 km (0.059 R)
• M6: 4,659,824 km (0.059 R)
• M7: 5,217,675 km (0.074 R)
• M8: 6,667,427 km (0.073 R)
• M9: 7,028,856 km (0.081 R)
• M10: 7,595,533 km (0.093 R)
• M11: 9,871,215 km (0.118 R)
• M12: 10,582,254 km (0.107 R)
• M13: 13,443,014 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 8.8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.45 AU - 8.39 AU

Year: 9157 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,123,189 km

• M1: 328,367 km (0.028 R)
• M2: 797,805 km (0.101 R)
• M3: 1,282,503 km (0.084 R)
• M4: 1,627,326 km (0.069 R)
• M5: 2,720,288 km (0.049 R)
• M6: 3,388,093 km (0.047 R)
• M7: 4,187,992 km (0.114 R)
• M8: 5,882,637 km (0.052 R)
• M9: 7,110,836 km (0.094 R)
• M10: 8,329,460 km (0.092 R)
• M11: 10,864,845 km (0.036 R)
• M12: 13,104,325 km (0.062 R)
• M13: 13,995,479 km (0.078 R)
• M14: 15,439,547 km (0.119 R)
• M15: 16,637,078 km (0.051 R)
• M16: 16,980,406 km (0.041 R)
• M17: 18,401,436 km (0.075 R)
• M18: 18,768,698 km (0.107 R)
• M19: 23,825,854 km (0.077 R)
• M20: 25,786,335 km (0.11 R)
• M21: 26,432,149 km (0.047 R)
• M22: 27,278,125 km (0.118 R)
• M23: 34,819,652 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 12,796 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit